* improved lib/libsde.in to handle the case where SDEROOT is not

previously defined



git-svn-id: svn://svn.opensde.net/opensde/opensde/trunk@20569 10447126-35f2-4685-b0cf-6dd780d3921f

lib/libsde.in

@@ -16,11 +16,11 @@
 #
 sdever=trunk
 
-. $SDEROOT/lib/term-functions.in
-
-# export SDEROOT so it's available on the sub-apps
+[ -n "$SDEROOT" ] || SDEROOT=.
 export SDEROOT
 
+. $SDEROOT/lib/term-functions.in
+
 # default settings
 #
 SDESETTINGS="$HOME/.sde/settings"